A treatment group is a set of subjects in an experiment who receive the experimental intervention or treatment being studied, allowing researchers to assess its effects compared to a control group. It is crucial for determining the efficacy and safety of new interventions, as it provides direct evidence of the treatment's impact on the subjects.

Treatment Group

treatment group

experimental intervention

A control group is a baseline group in an experiment that does not receive the experimental treatment, allowing researchers to isolate the effect of the treatment by comparing it to this untreated group. It is essential for ensuring the validity of an experiment's results by accounting for placebo effects and other external factors that might influence the outcome.

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